Question

In cyathium lnforescence, the ratio between male and female flowers is

• A. One: many
• B. Many: one
• C. One: one
• D. Many: many

Answer 1

The correct option is B Many: one

Cyathium infloresence is found in genus Euphorbia of family Euphorbiaceae.

In this inflorescence there is a cup-shaped involucre, the involucre encloses a single female flower present in the centre, situated on a long stalk. This female flower remains surrounded by a large number of male flowers arranged centrifugally. The cyathium is surrounded by bright colored bracts. Therefore ratio of male and female flowers is Many:one. Hence correct option is B.